2000-06-30 11:55:04 +02:00
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/* Some basic tests for LFS.
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2016-01-04 17:05:18 +01:00
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Copyright (C) 2000-2016 Free Software Foundation, Inc.
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2001-07-06 06:58:11 +02:00
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This file is part of the GNU C Library.
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2000-06-30 11:55:04 +02:00
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Contributed by Andreas Jaeger <aj@suse.de>, 2000.
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The GNU C Library is free software; you can redistribute it and/or
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2001-07-06 06:58:11 +02:00
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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2000-06-30 11:55:04 +02:00
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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2001-07-06 06:58:11 +02:00
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Lesser General Public License for more details.
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2000-06-30 11:55:04 +02:00
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2001-07-06 06:58:11 +02:00
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You should have received a copy of the GNU Lesser General Public
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2012-02-10 00:18:22 +01:00
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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2000-06-30 11:55:04 +02:00
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <error.h>
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#include <errno.h>
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2000-10-24 23:12:01 +02:00
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#include <sys/resource.h>
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2000-06-30 11:55:04 +02:00
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/* Prototype for our test function. */
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extern void do_prepare (int argc, char *argv[]);
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extern int do_test (int argc, char *argv[]);
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/* We have a preparation function. */
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#define PREPARE do_prepare
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/* We might need a bit longer timeout. */
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#define TIMEOUT 20 /* sec */
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/* This defines the `main' function and some more. */
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#include <test-skeleton.c>
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/* These are for the temporary file we generate. */
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char *name;
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int fd;
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/* 2^31 = 2GB. */
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#define TWO_GB 2147483648LL
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void
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do_prepare (int argc, char *argv[])
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{
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2006-09-12 13:44:01 +02:00
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size_t name_len;
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2000-10-26 04:24:09 +02:00
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struct rlimit64 rlim;
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2000-06-30 11:55:04 +02:00
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name_len = strlen (test_dir);
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2016-06-11 23:50:16 +02:00
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name = xmalloc (name_len + sizeof ("/lfsXXXXXX"));
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2000-06-30 11:55:04 +02:00
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mempcpy (mempcpy (name, test_dir, name_len),
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"/lfsXXXXXX", sizeof ("/lfsXXXXXX"));
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/* Open our test file. */
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2000-10-26 04:24:09 +02:00
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fd = mkstemp64 (name);
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if (fd == -1)
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2000-06-30 11:55:04 +02:00
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{
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2000-10-26 04:24:09 +02:00
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if (errno == ENOSYS)
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{
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/* Fail silently. */
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2001-06-11 10:43:24 +02:00
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error (0, 0, "open64 is not supported");
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2000-10-26 04:24:09 +02:00
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exit (EXIT_SUCCESS);
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}
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else
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error (EXIT_FAILURE, errno, "cannot create temporary file");
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2000-06-30 11:55:04 +02:00
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}
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2015-10-16 00:29:06 +02:00
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add_temp_file (name);
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2000-06-30 11:55:04 +02:00
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2000-10-26 04:24:09 +02:00
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if (getrlimit64 (RLIMIT_FSIZE, &rlim) != 0)
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{
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error (0, errno, "cannot get resource limit");
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exit (0);
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}
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if (rlim.rlim_cur < TWO_GB + 200)
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{
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rlim.rlim_cur = TWO_GB + 200;
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if (setrlimit64 (RLIMIT_FSIZE, &rlim) != 0)
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{
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error (0, errno, "cannot reset file size limits");
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exit (0);
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}
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}
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2000-06-30 11:55:04 +02:00
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}
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2001-02-05 22:38:54 +01:00
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static void
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test_ftello (void)
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{
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FILE *f;
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int ret;
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off64_t pos;
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f = fopen64 (name, "w");
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ret = fseeko64 (f, TWO_GB+100, SEEK_SET);
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if (ret == -1 && errno == ENOSYS)
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{
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2001-06-11 10:43:24 +02:00
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error (0, 0, "fseeko64 is not supported.");
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2001-02-05 22:38:54 +01:00
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exit (EXIT_SUCCESS);
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}
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if (ret == -1 && errno == EINVAL)
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{
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2001-06-11 10:43:24 +02:00
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error (0, 0, "LFS seems not to be supported");
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2001-02-05 22:38:54 +01:00
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exit (EXIT_SUCCESS);
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}
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if (ret == -1)
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{
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2001-06-11 10:43:24 +02:00
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error (0, errno, "fseeko64 failed with error");
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2001-02-05 22:38:54 +01:00
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exit (EXIT_FAILURE);
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}
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ret = fwrite ("Hello", 1, 5, f);
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2001-06-11 10:43:24 +02:00
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if (ret == -1 && errno == EFBIG)
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{
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error (0, errno, "LFS seems not to be supported");
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exit (EXIT_SUCCESS);
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}
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if (ret == -1 && errno == ENOSPC)
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2001-02-05 22:38:54 +01:00
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{
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2001-06-11 10:43:24 +02:00
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error (0, 0, "Not enough space to write file.");
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2001-02-05 22:38:54 +01:00
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exit (EXIT_SUCCESS);
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}
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if (ret != 5)
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2001-06-11 10:43:24 +02:00
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error (EXIT_FAILURE, errno, "Cannot write test string to large file");
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2001-02-05 22:38:54 +01:00
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pos = ftello64 (f);
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if (pos != TWO_GB+105)
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{
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error (0, 0, "ftello64 gives wrong result.");
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exit (EXIT_FAILURE);
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}
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fclose (f);
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}
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2000-06-30 11:55:04 +02:00
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int
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do_test (int argc, char *argv[])
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{
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2015-08-10 14:12:47 +02:00
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int ret, fd2;
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2000-06-30 11:55:04 +02:00
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struct stat64 statbuf;
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ret = lseek64 (fd, TWO_GB+100, SEEK_SET);
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if (ret == -1 && errno == ENOSYS)
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{
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2001-06-11 10:43:24 +02:00
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error (0, 0, "lseek64 is not supported.");
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2000-06-30 11:55:04 +02:00
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exit (EXIT_SUCCESS);
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}
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2001-01-08 23:28:15 +01:00
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if (ret == -1 && errno == EINVAL)
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{
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2001-06-11 10:43:24 +02:00
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error (0, 0, "LFS seems not to be supported.");
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2001-01-08 23:28:15 +01:00
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exit (EXIT_SUCCESS);
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}
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2001-02-05 22:38:54 +01:00
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if (ret == -1)
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{
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2001-06-11 10:43:24 +02:00
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error (0, errno, "lseek64 failed with error");
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2001-02-05 22:38:54 +01:00
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exit (EXIT_FAILURE);
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}
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2000-06-30 11:55:04 +02:00
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ret = write (fd, "Hello", 5);
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2001-06-11 10:43:24 +02:00
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if (ret == -1 && errno == EFBIG)
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{
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error (0, 0, "LFS seems not to be supported.");
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exit (EXIT_SUCCESS);
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}
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if (ret == -1 && errno == ENOSPC)
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2000-06-30 11:55:04 +02:00
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{
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2001-06-11 10:43:24 +02:00
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error (0, 0, "Not enough space to write file.");
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2000-06-30 11:55:04 +02:00
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exit (EXIT_SUCCESS);
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}
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2000-09-14 08:44:19 +02:00
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2000-06-30 11:55:04 +02:00
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if (ret != 5)
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error (EXIT_FAILURE, errno, "cannot write test string to large file");
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ret = close (fd);
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if (ret == -1)
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error (EXIT_FAILURE, errno, "error closing file");
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ret = stat64 (name, &statbuf);
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2000-09-14 08:44:19 +02:00
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if (ret == -1 && (errno == ENOSYS || errno == EOVERFLOW))
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2001-06-11 10:43:24 +02:00
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error (0, 0, "stat64 is not supported.");
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2000-06-30 11:55:04 +02:00
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else if (ret == -1)
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error (EXIT_FAILURE, errno, "cannot stat file `%s'", name);
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2000-11-20 18:40:29 +01:00
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else if (statbuf.st_size != (TWO_GB + 100 + 5))
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2000-06-30 11:55:04 +02:00
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error (EXIT_FAILURE, 0, "stat reported size %lld instead of %lld.",
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2000-11-20 18:40:29 +01:00
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(long long int) statbuf.st_size, (TWO_GB + 100 + 5));
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2000-06-30 11:55:04 +02:00
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2015-08-10 14:12:47 +02:00
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fd2 = openat64 (AT_FDCWD, name, O_RDWR);
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if (fd2 == -1)
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{
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if (errno == ENOSYS)
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{
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/* Silently ignore this test. */
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error (0, 0, "openat64 is not supported");
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}
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else
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error (EXIT_FAILURE, errno, "openat64 failed to open big file");
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}
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else
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{
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ret = close (fd2);
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if (ret == -1)
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error (EXIT_FAILURE, errno, "error closing file");
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}
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2001-02-05 22:38:54 +01:00
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test_ftello ();
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2000-06-30 11:55:04 +02:00
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return 0;
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}
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